Around the latter part of 1952.
Based on the records I have, that Colt commander was made in 1977.
A semi auto pistol in either 45, 38, 7.65 or 9mm
The first production semi auto pistol was the Mauser c/96 "broomhandle" pistol.
.45 ACP means auto cartridge pistol ( I believe they spelled it pistole though). The .45 auto just means it is an autoloading pistol unlike the revolver style pistol.
.45 ACP means Automatic Colt Pistol. It IS .45 Auto.
Small vest pocket pistol
yes
A fine pistol
They refer to this handgun as the browning model BDA (browning double action auto) pistol.
It's semi auto not full auto.
Small and inexpensive.
the ACP in any gun cartridge means Colt Auto Pistol